Lucky Star is a baby toys manufacturer which was founded in 2001. The company adhere to Montessori's "Sensitive periods" theory to develop baby toys. Montessori observed several overlapping periods during which thd child is particulary sensitive to certain types of stimuli or interactions. Uring a sensitive period it is very easy for chldren to acquire certain abilities,such as language, discrimination of sensory stimuli, and mental modeling of the environment. Once the sensitive period for a particular ability is past, the development of ...